1
hungry(adjective, energetic, desirous, daring, syrupy)
1
hustling(adjective, energetic, daring, resourceful, innovative)
1
hyper(adjective, strong, bright, firm, energetic)
1
immoderate
1
impetuous
1
in-thing(adjective, smart, hot, elegant, current)
1
in the know(expression, adjective, idiom, alert, familiar)
1
in the picture(expression, adjective, idiom, alert, familiar)
1
in thing(expression, leading-edge, in, with-it, trendsetting)
1
incessant(adjective, strong, firm, determined, steady)
1
incisive
1
incontinent
1
indefatigable(adjective, strong, firm, determined, steady)
1
indomitable(adjective, strong, firm, determined, steady)
1
indulgent
1
industrious(adjective, energetic, active, vigorous, cheerful)
1
inexhaustible(adjective, strong, firm, determined, steady)
1
informed(adjective, alert, familiar, wise, knowledgeable)
1
intemperate
1
intense
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APASmart Define. (2015). go-go thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/go-go/thesaurus/synonyms
ChicagoSmart Define. 2015. "go-go thesaurus" https://smartdefine.org/go-go/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, go-go thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/go-go/thesaurus/synonyms>.
MLASmart Define. "go-go thesaurus" 22 December 2015. Web. 26 September 2026. <https://smartdefine.org/go-go/thesaurus/synonyms>